Floor Scrolling Interpolation (#176)

* Floor Scrolling Interpolation

* Scrolling Improvements

* Fix scroll stutter

* bump LUS & Torch

* missing prototype

---------

Co-authored-by: Sonic Dreamcaster <alejandro.asenjo88@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/port/Engine.cpp b/src/port/Engine.cpp
index 4da6fd77..e0307752 100644
--- a/src/port/Engine.cpp
+++ b/src/port/Engine.cpp
@@ -452,8 +452,11 @@ void GameEngine::RunCommands(Gfx* Commands, const std::vector<std::unordered_map
     // Process window events for resize, mouse, keyboard events
     wnd->HandleEvents();
 
+	gInterpolationIndex = 0;
+
     for (const auto& m : mtx_replacements) {
         wnd->DrawAndRunGraphicsCommands(Commands, m);
+		gInterpolationIndex++;
     }
 
     bool curAltAssets = CVarGetInteger("gEnhancements.Mods.AlternateAssets", 0);
@@ -538,6 +541,15 @@ uint32_t GameEngine::GetInterpolationFPS() {
                               CVarGetInteger("gInterpolationFPS", 60));
 }
 
+uint32_t GameEngine::GetInterpolationFrameCount()
+{
+	return ceil((float)GetInterpolationFPS() / 30.0f);
+}
+
+extern "C" uint32_t GameEngine_GetInterpolationFrameCount() {
+	return GameEngine::GetInterpolationFrameCount();
+}
+
 void GameEngine::ShowMessage(const char* title, const char* message, SDL_MessageBoxFlags type) {
 #if defined(__SWITCH__)
     SPDLOG_ERROR(message);